#
#
# a= [1]
# b=[1]
# print(id(a))
# print(id(b))
# print(a)
# print(b)


# m=[i**2 for i in range(1,11)]
# print(m)
# n=m.copy()
# print(n)
# a=1
# b=isinstance(a,int)
# print(b)


a = 1
b = 2
c = [a, b]
d = c.copy()
print(d)
print(c)
a = 3
b = 4
print(c)
print(d)
